def _register_datasource(self, reference, cls, dependencies=None, tags=None, lookback=0, frequency=None):
self._instances[reference] = None
self._registrations[reference] = {
'class': cls,
'lookback': lookback,
'frequency': frequency,
'dependencies': set(dependencies) if dependencies else set()
}
infered_tags = self._tag_iteration_manager.infere_tags(reference)
all_tags = utils.assure_is_valid_set(tags) | utils.assure_is_valid_set(infered_tags)
self._registrations[reference]['tags'] = all_tags
self._tag_selector.register(reference, all_tags)
self._tag_iteration_manager.evaluate_new_candidate(reference)
def test_assure_is_valid_set_should_return_empty_set_when_invalid_object(self):
result = utils.assure_is_valid_set(object())
assert isinstance(result, set)
assert len(result) is 0
